Testing Knowledge

Test Directory

Source-backed test guides: what each test is for, how it is performed, its limitations, and which reviewed products serve it. Personal health questions are answered with knowledge and preparation guidance — not supplier sales.

DNMT3B mRNA Measurement

A determination of the amount of DNMT3B mRNA in a biological sample.

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Factor XII Activity Measurement

The determination of the amount of factor XII activity present in a sample.

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Effector Memory Helper T-Lymphocyte Subpopulation to Effector Memory Helper T-Lymphocyte Ratio Measurement

The determination of the ratio of T-lymphocytes helper effector memory sub-population to T-lymphocytes helper effector memory present in a sample. The measurement may be expressed as a ratio or percentage.

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11-Hydroxyandrosterone Measurement

The determination of the amount of 11-hydroxyandrosterone present in a sample.

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24(S)-Hydroxycholesterol Measurement

The determination of the amount of 24(S)-hydroxycholesterol present in a sample.

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Plasmacytoid Dendritic Cell Subpopulation to Plasmacytoid Dendritic Cell Subpopulation Ratio Measurement

The determination of the ratio of a sub-population of plasmacytoid dendritic cells to a second sub-population of plasmacytoid dendritic cells (e.g., a child/parent based on two or more sub-population-defining markers) present in a sample. The measurement may be expressed as a ratio or percentage.

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Wax Ester Sapienate Measurement

The determination of the amount of wax ester sapienate in a sample.

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Microbial-induced IgG and/or IgM Antibody Measurement

The determination of the amount of microbial-induced IgG and/or IgM antibody in a sample.

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Dietary Seafood High in n-3 Fatty Acids Measurement

A determination of the seafood high in n-3 fatty acids in a nutritional product or meal, or a portion thereof.

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8-Iso-Prostaglandin F2 Alpha Measurement

The determination of the amount of 8-iso-prostaglandin F2 alpha in a biological specimen.

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Gut-Homing Helper Mucosal-Associated Invariant T-Lymphocyte Subpopulation to Gut-Homing Helper Mucosal-Associated Invariant T-Lymphocyte Ratio Measurement

The determination of the ratio of a sub-population of gut-homing helper mucosal-associated invariant T-lymphocytes to total gut-homing helper mucosal-associated invariant T-lymphocytes present in a sample. The measurement may be expressed as a ratio or percentage.

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Conventional Naive T-Lymphocyte Count

The determination of the number of conventional naive T-lymphocytes in a sample.

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Norovirus Genogroup II.4 IgM Antibody Measurement

A measurement of Norovirus genogroup II.4 IgM antibody present in a sample.

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Dengue Virus 1 RNA Measurement

The determination of the amount of dengue virus 1 RNA present in a sample.

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Creatine Kinase MB to Total Creatine Kinase Ratio Measurement

The determination of the ratio of creatine kinase MB compared to total creatine kinase present in a sample. The measurement may be expressed as a ratio or percentage.

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Chemistry Test

A laboratory test designed for the quantification of an organic or inorganic chemical within a biological specimen.

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Free Complement C2 Measurement

The determination of the free complement C2 present in a sample.

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Transitional B-Lymphocyte Subpopulation Count

The determination of a sub-population of transitional B-lymphocytes in a sample.

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MMP 2-Degraded Type VI Collagen Fragment C6M Measurement

The determination of the amount of MMP2-degraded type VI collagen fragment C6M in a sample.

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Varicella Zoster Virus IgA Antibody Measurement

The determination of the amount of varicella zoster virus IgA antibody present in a sample.

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Trans-3-Hydroxycotinine Glucuronide Measurement

The determination of the amount of trans-3-hydroxycotinine glucuronide in a sample.

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Unconventional Class-switched Memory B-Lymphocyte Subpopulation Count

The determination of a sub-population of unconventional class-switched memory B-lymphocytes in a sample.

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Myeloid-Derived Suppressor Cell Count

The determination of the number of myeloid-derived suppressor cells in a sample.

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Sexual Plasmodium knowlesi Measurement

The determination of the amount of the organism assigned to the Plasmodium knowlesi species in the sexual phase in a biological sample.

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